@misc{indiciaeaf893cecfbef,
  title = {On-line computer analysis and breath-by-breath graphical display of exercise function tests.},
  author = {W L Beaver and K Wasserman and B J Whipp},
  year = {1973},
  doi = {10.1152/jappl.1973.34.1.128},
  url = {https://pubmed.ncbi.nlm.nih.gov/4697371/},
  note = {Source identifier: 4697371}
}